JP3023753B2 - Vehicle headlights - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a novel vehicle headlamp. More specifically, an object of the present invention is to provide a new vehicle headlight capable of displaying a product name or the like on a front portion thereof without using a cover that must be removed at the time of use.

[0002]

2. Description of the Related Art In a conventional vehicular headlamp, for example, a fog lamp or a spot lamp, when a product name or the like is to be displayed on the front of the headlamp, an opaque lens covering the entire lens of the headlamp is used. A lamp cover is provided, and a product name or the like is displayed on the surface of the lamp cover.

[0003]

In the above-mentioned conventional vehicle headlight, when the headlight is turned on, the lamp cover must be removed by a human hand or by providing a drive source and remotely operating the lamp cover. In the case of manual operation, it is necessary to go out and remove the cover, which is bothersome and
In the case of remote control, there is a drawback that the device itself is large and expensive.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a vehicle headlamp according to the present invention comprises a reflector having an open front and a front opening covered by a front lens, and is defined by the reflector and the front lens. A light source bulb is arranged in a space, a lens guard is arranged on the front side of a front lens, and a plate made of a translucent plate is attached to the lens guard.

[0005]

Therefore, in the vehicle headlamp of the present invention, since the plate is formed of a translucent plate material, it is not necessary to remove the plate at the time of lighting, and there is no need for troublesomeness as in the prior art. In addition, it is possible to prevent the apparatus from being enlarged and expensive.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicle headlamp according to the present invention.

In FIG. 1, reference numeral 1 denotes a vehicle headlamp, for example, a spot lamp.

Reference numeral 2 denotes a lamp body, which has a container shape having an opening on the front surface. The outer peripheral surface of the opening edge portion of the lamp body 2 is cut out shallowly except for the lower end portion 3 to form a cutout portion 4 opening forward and outward, and a surface 4a of the cutout portion 4 facing outward is formed. It has a gentle slope that displaces inward as it goes forward.

On the outer side surfaces of the left and right sides of the lamp body 2, concave portions 5 extending from the front end to the middle are formed. Insertion holes 6 are formed in the center of the recesses 5 near the rear end. Notches 7, 7 opened at the front end slightly ahead of the portion where the insertion holes 6, 6 are formed.
Are formed. Further, engaging projections 8, 8,... Are formed on upper and lower portions of the recesses 5, 5, and the engaging projections 8, 8,.
The front surfaces 8a, 8a,... Of the pair 8,... Are formed as gentle slopes displaced inward as they go forward, and the rear surfaces 8b, 8b of the engagement projections 8, 8,. ...
Is an engagement surface facing rearward.

A mount base 9 is fixed at a position near the rear end of the lower surface of the lamp body 2. The mount base 9 is formed of a metal plate, and projects hemispherically. The mount base 9 has a large insertion hole 9a. Reference numeral 10 denotes an attachment plate which is formed in a hemispherical shape with a metal plate, the curvature of the outer peripheral surface is formed to be the same as the curvature of the inner peripheral surface of the mount base 9, and an insertion hole 1
0a is formed. And the attachment plate 1
0 is superimposed on the inner surface of the mount base 9.

Reference numeral 11 denotes a bracket fixed to the vehicle body 12, having a hemispherical concave portion 11a formed on the upper surface thereof, and an insertion hole 11b penetrating vertically.

Reference numeral 13 denotes a set bolt, which is inserted from the inside of the mount base 9 into the through hole 10a of the attach plate 10;
The nut 14 is inserted into the insertion hole 9a of the mount base 9 and the insertion hole 11b of the bracket 11 in this order, and a nut 14 is fastened to a portion protruding to the rear side of the vehicle body 12, whereby the lamp body 2 is attached to the vehicle body 12. The mounting base 9 is seated on the concave spherical surface of the concave portion 11 a of the bracket 11, and the insertion hole 9 a is sufficiently larger than the shaft portion of the set bolt 13. External surface is bracket 1
The angle of the lamp body 2 is adjusted by sliding along the concave spherical surface of the first concave portion 11a.

Reference numeral 15 denotes a reinforcing ring, which is formed in a substantially annular shape by a metal plate, is disposed along the inner surface of the lamp body 2, and is fixed to the lamp body 2 by screws.

Reference numeral 16 denotes a lamp unit.

Reference numeral 17 denotes a reflector having a parabolic concave portion 18 which opens forward, and a light source bulb 19 is attached to the center of the rear portion. At the opening edge of the reflector 17, an installation groove 20 which opens forward is formed. Attachment stays 21, 21 are protruded rearward from the portions near the opening edges on both left and right sides of the reflector 17, and screw holes 21a, 21a are formed at the rear ends of the attachment stays 21, 21. Are formed.

Reference numeral 22 denotes a front lens, and the reflector 17
And a mounting edge 22b projecting rearward from the front portion 22a are integrally formed of glass, and a rear end of the mounting edge 22b is
Is fixed in the mounting groove 20 and the adhesive 23.

The lamp unit 16 as described above is inserted into the lamp body 2, and mounting screws 24, 24 inserted into the insertion holes 6, 6 of the lamp body 2 from outside are screw holes 21a of the mounting stays 21, 21, respectively. The lamp unit 16 is screwed into the lamp body 2, thereby fixing the lamp unit 16 in the lamp body 2.

Reference numeral 25 denotes an annular sheet packing made of an elastic material such as rubber. The sheet packing 25 is externally fitted to a joint between the front lens 22 and the reflector 17 at the front end of the lamp unit 16 and is fixed by an instant adhesive. . Then, when the lamp unit 16 is attached to the lamp body 2 as described above, the sheet packing 25 is interposed between the inner surface of the opening end of the lamp body 2 and the outer peripheral edge of the lamp unit 16. The space between the front end of the lamp unit 2 and the lamp unit 16 is sealed almost all around.

Reference numeral 26 denotes a lens guard, which has an annular rim portion 27 and a plurality of guard portions 28, 2 formed in parallel in the vertical direction so as to cross the rim portion 27 horizontally.
Are formed integrally with each other, the rim portion 27 has a substantially horizontal U-shape, and the outer portion 27a has an inner portion 27b.
It is longer and projects slightly rearward from the inner portion 27b. The inner surface of the rear end of the outer portion 27a is formed as a gently inclined surface 27c that is displaced outward as going backward.

Each of the guards 28, 28,... Has a generally V-shaped cross-section with a cross-sectional shape and a narrow front side.

Further, mounting pieces 29, 29 are formed rearward from the rear ends of the left and right sides of the outer portion 27a of the rim portion 27, and the rear ends of the mounting pieces 29, 29 excluding the central portion of the inner surface thereof. The parts are provided with engaging claws 30, 30,...
The rear surfaces 30a, 3 of the engaging claws 30, 30,...
.. Are formed on a gently inclined surface which is displaced outwardly toward the rear, and the front surface is an engagement surface 30 facing forward.
b, 30b,...

Thus, the rim 27 of the lens guard 26 is attached to the front end of the lamp body 2 so as to be fitted externally. That is, the rear end of the outer portion 27a of the rim 27 is engaged with the notch 4 of the lamp body 2, and the rear end is formed of the notch 4
The position is determined by abutting against the rear end of the. The inclined surfaces 3 of the engagement claws 30, 30,... Of the mounting pieces 29, 29
, 0a, 30a, ... are the engaging projections 8 of the lamp body 2,
, 8a, 8a, 8a, 8a,..., And the outer portion 27a of the rim portion 27, as described above.
Are engaged with the notch 4 of the lamp body 2, and when the rear end is abutted against the rear end of the notch 4 and the position thereof is determined, the engagement of the engaging claws 30, 30,. Surface 30b, 3
Are engaging surfaces 8b of the engaging projections 8, 8,.
8b,...
6 is attached to the front end of the lamp body 2.

, 31 are guard portions 28,
28,..., 28 in this embodiment, the one located at the lowermost end and the one located immediately above
An engagement projection protruding from the rear edge is formed at a substantially central portion in the left-right direction and is appropriately spaced left and right.

Reference numeral 32 denotes a mark plate, which is formed of a transparent synthetic resin, for example, polycarbonate. The mark plate 32 has a horizontally elongated rectangular plate portion 33 as viewed from the front, and a locking projection protruding rearward so as to extend parallel to each other from a position vertically separated from a substantially central portion of the rear surface of the plate portion 33. The leg pieces 34, 34 are integrally formed. Engaging claws 34a, 34a are protrudingly provided at the ends of the surfaces of the locking leg pieces 34, 34 opposite to each other.

The distance between the opposite surfaces of the locking leg pieces 34, 34 is set slightly larger than the distance between the rear edges of the guards 28, 28,... Of the lens guard 26. Have been. Further, the engagement claws 34a, 34a
Are formed so as to be substantially the same as the front and rear widths of the guards 28, 28,... Of the lens guard 26.

On the rear surface of the plate portion 33 of the mark plate 32, a seal (not shown) on which a mark such as a product name is displayed is adhered. Therefore, when this is viewed from the front, the mark displayed on the seal is visually recognized. You. In addition, what is displayed on the sticker may be not only the mark but also a character, or only the character may be displayed instead of the mark.
What you want to display may be displayed as appropriate.

In the mark plate 32, locking leg pieces 34, 34 are inserted between two adjacent guard portions 28, 28 of the lens guard 26. Guard part 28, 2
8,... Have a V-shape in cross section,
Since the engaging claws 34a, 34a of the locking leg pieces 34, 34 move along the inclined surfaces 28a, 28a of the guard portions 28, 28, the tip ends of the locking leg pieces 34, 34 become more rearward. The engagement claws 34 are bent so as to approach each other.
When the a and 34a pass the rear ends of the guard portions 28, 28, the bent locking leg pieces 34, 34 return slightly, and the engaging claws 34a, 34a engage with the rear edges of the guard portions 28, 28. Accordingly, the mark plate 32 is supported between the adjacent guard portions 28, 28.

The spacing between the engaging projections 31, 31,... Formed on the rear edges of the guard portions 28, 28 is substantially equal to the width of the tip of the locking leg pieces 34, 34 of the mark plate 32. ,
The engagement of the engaging claws 34a, 34a of the locking leg pieces 34, 34 with the guard portions 28, 28 rear edge is performed by the engagement projections 31, 31,
.., The mark plate 32 is positioned, and its position does not move due to vibrations during traveling or the like.

In the spot lamp 1 described above,
Two lens guards 28, 2 adjacent to each other, such as a product name
Since it is performed by the mark plate 32 attached between the eight, a necessary light distribution can be obtained without removing the mark plate during use, so that there is no need to remove the cover as in the related art.

Further, when it is necessary not to give a dazzling light to a driver of an oncoming vehicle, to reduce the luminous intensity, or to diffuse the light, a mark plate of a size necessary for that purpose is required. Should be attached to the necessary places.
When the purpose of controlling the light distribution to some extent is as described above, a portion other than the display such as a mark may be left transparent, and an appropriate lens element such as a fish-eye lens element or a prism element may be formed on the back surface or the front surface.

In the above description, the formation of the display of the mark or the like has been described with respect to the example in which the sheet having the display of the mark or the like is adhered to the back surface of the plate portion 33. However, the present invention is not limited to this. It may be formed by appropriate means. The display location is not limited to the back surface of the plate portion 33, and may be formed on the front surface. However, the plate part 33
By preventing the display from being peeled off, the display has a sense of depth. Note that these displays are not limited to the light-impermeable display, and may be a semi-transmissive display. In such a case, by appropriately selecting the transmittance, the above-described light distribution control is also useful. .

[0032]

As is apparent from the above description, the vehicle headlamp according to the present invention covers the front opening of the reflector having the front opening with the front lens, and the space defined by the reflector and the front lens. A light source bulb is disposed therein, a lens guard is disposed on the front side of the front lens, and a plate made of a translucent plate is attached to the lens guard.

Therefore, in the vehicle headlamp of the present invention,
Since the plate is formed of a translucent plate material, it is not necessary to remove the plate at the time of lighting, there is no need for troublesomeness as in the related art, and it is possible to prevent an increase in the size and cost of the device.

It should be noted that the specific shapes and structures of the respective parts shown in the above-described embodiments are merely examples of the embodiment of the present invention, and the technical features of the present invention are not limited thereto. The scope should not be construed as limiting.

[Brief description of the drawings]

FIG. 1 shows an example in which a vehicle headlamp according to the present invention is applied to a spot lamp, and FIG. 1 is a side view.

FIG. 2 is a front view.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;

FIG. 5 is an enlarged sectional view taken along line VV of FIG.

FIG. 6 is a view showing a state where a mark plate is removed, taken along a line VI-V in FIG. 2;
It is the expanded sectional view cut | disconnected along the I line.

FIG. 7 is an enlarged perspective view of a mark plate.

FIG. 8 is an enlarged front view of the mark plate.

FIG. 9 is a sectional view taken along the line IX-IX of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spot lamp (vehicle headlight) 17 Reflector 19 Light source bulb 22 Front lens 26 Lens guard 32 Mark plate (plate)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 53-100773 (JP, U) JP-A 63-196504 (JP, U) JP 1-92702 (JP, U) JP 2- 7801 (JP, U) Jiko 58-13524 (JP, Y1) (58) Field surveyed (Int. Cl. ⁷ , DB name) F21S 8/10

Claims (3)

(57) [Claims] 1. A front opening of a reflector having an open front surface is covered with a front lens, a light source bulb is disposed in a space defined by the reflector and the front lens, and a lens guard is disposed on a front side of the front lens. A headlamp for a vehicle, wherein a plate made of a translucent plate material is attached to the lens guard. 2. The vehicle headlight according to claim 1, wherein a display layer is formed on a back surface of the plate. 3. The vehicle headlight according to claim 1, wherein a diffusion portion is formed on at least a part of the plate.